@font-face {
      font-family: 'CustomFont';
      src: url('font.ttf') format('truetype');
      font-display: swap;
    }

    body {
      background: #00008b url('galaxy.png') no-repeat center center fixed;
      background-size: cover;
      color: #ffffff;
      font-family: 'CustomFont', sans-serif;
      text-align: center;
      padding-top: 50px;
      margin: 0;
      overflow: hidden;
    }
    #countdown {
      font-size: 3em;
      font-weight: bold;
      text-shadow: 0 0 10px #0ff, 0 0 20px #0ff;
      letter-spacing: 5px;
    }
    .pulse {
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.1); }
      100% { transform: scale(1); }
    }